I Never Really Got Grunge

I gotta admit, I was never much of a Nirvana fan. I don’t think “teen angst” really hit me until I was in my mid-30s, so grunge music just sounded like dudes playing their guitars loud and mumbling incomprehensibly. In fact, it wouldn’t be a stretch to say that I pretty much despised grunge music. No rhythm, no message other than “we’re bored and loud”, and lots of groaning. It just sounded like a bunch of rich dudes sounding sorry for themselves. But obviously, in the early 90s, I was in the minority, as bands like Nirvana and Pearl Jam sold billions of records, and lesser bands like Alice in Chains and whoever did that god awful Black Hole Sun song also groaned about how awful being rich and famous was. If someone who was a big grunge fan can please enlighten me on why that you liked that music/movement, it would be greatly appreciated. I know I’m being snarky here, but I’d really like to know what it was I was missing. I promise not to be a jerk about it in the comments. I don’t hate grunge in the same way I hate, say, modern country or Atlanta rappers (other than Outkast).